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HomeMy WebLinkAbout10_AppendixB-PostDevelopmentBasinsAppendix B – Post Development Basins STSTST STSTSTST>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>FALLON STREETSOUTH LAUREL PARKWAYMAYFLY STREETBULLFROG DRIVESTONEFLY DRIVEWATER LILY DRIVEST>>>>>>>>>>>>>>> >>>>>>>>>>>>>>POND LILY DRIVEMARCH 2023MAYFLY TOWNHOMESPOST DEVELOPMENT STORM BASINS Mar 29, 2023 - 11:54amCAD FILE: M:\203430\Drawings\MAYFLY TOWNHOMES\EXHIBITS\STORMWATER\BASINS.dwg 0'70'140'210'1OF 2BASIN 11.60 ACC: 0.60BASIN 26.19 ACC: 0.56BASIN 52.51 ACC: 0.57BASIN 30.68 ACC: 0.59BASIN 40.19 ACC: 0.57BASIN 60.28 ACC: 0.74BASIN 70.09 ACC: 0.74BASIN 80.20 ACC: 0.74SDI CB-1ASDI CB-1BSDI CB-1DSDI CB-1CSDI CB-2ISDI CB-2HSDI CB-2FSDI CB-2GEXISTING DETENTION POND 2PROVIDED VOLUME = 14,915 CFNEW REQUIRED VOLUME = 14,287 CFEXISTING DETENTION POND 1PROVIDED VOLUME = 9,146 CFNEW REQUIRED VOLUME = 10,075 CFNORTON EAST RANCHPHASE 2ANORTON EAST RANCHPHASE 4PROPOSEDURBAN + FARMPHASE 1NORTON EAST RANCHPHASE 3FALLON APARTMENTSAREA RETAINED ON SITEFUTURE DEVELOPMENTSBASIN 92.73 ACC: 0.56PROPOSED SDI 1PROPOSED STORM MANHOLE STSTSTSTSTST ST ST STSTSTSTSTSTSTSTST 0'70'140'210'MARCH 2023MAYFLY TOWNHOMESEXISTING STORM INFRASTRUCTURE Mar 29, 2023 - 11:22amCAD FILE: M:\203430\Drawings\MAYFLY TOWNHOMES\EXHIBITS\STORMWATER\BASINS.dwg 2OF 2SDI CB-1ASDI CB-1BSDI CB-1DSDI CB-1CSDI CB-2ISDI CB-2HSDI CB-2FSDI CB-2GEXISTING DETENTION POND 2PROVIDED VOLUME = 14,915 CFNEW REQUIRED VOLUME = 14,287 CFEXISTING DETENTION POND 1PROVIDED VOLUME = 9,146 CFNEW REQUIRED VOLUME = 10,075 CFPIPE A15" PVCSLOPE = 0.4%PIPE B15" PVCSLOPE = 0.51%PIPE C12" RCPSLOPE = 0.4%PIPE D18" PVCSLOPE = 0.4%PIPE I21" PVCSLOPE = 0.37%PIPE J21" PVCSLOPE = 0.84%PIPE K21" PVCSLOPE = 1.1%FROM EXISTINGNORTON RANCHPIPE FQ25 = 6.59 CFSPROPOSED SDI 1PROPOSED PIPE E15" PVCSLOPE = 0.50%PIPE G18" PVCSLOPE = 0.54%PIPE H12" PVCSLOPE = 0.62%PROPOSED STORMMANHOLE